82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
/* infomap.h -- description of a keymap in Info and related functions.
|
|
$Id: infomap.h,v 1.1 2002/08/25 23:38:38 karl Exp $
|
|
|
|
Copyright (C) 1993, 2001 Free Software Foundation, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
Written by Brian Fox (bfox@ai.mit.edu). */
|
|
|
|
#ifndef INFOMAP_H
|
|
#define INFOMAP_H
|
|
|
|
#include "info.h"
|
|
|
|
#define ESC '\033'
|
|
#define DEL '\177'
|
|
#define TAB '\011'
|
|
#define RET '\r'
|
|
#define LFD '\n'
|
|
#define SPC ' '
|
|
|
|
#define meta_character_threshold (DEL + 1)
|
|
#define control_character_threshold (SPC)
|
|
|
|
#define meta_character_bit 0x80
|
|
#define control_character_bit 0x40
|
|
|
|
#define Meta_p(c) (((c) > meta_character_threshold))
|
|
#define Control_p(c) ((c) < control_character_threshold)
|
|
|
|
#define Meta(c) ((c) | (meta_character_bit))
|
|
#define UnMeta(c) ((c) & (~meta_character_bit))
|
|
#define Control(c) ((toupper (c)) & (~control_character_bit))
|
|
#define UnControl(c) (tolower ((c) | control_character_bit))
|
|
|
|
/* A keymap contains one entry for each key in the ASCII set.
|
|
Each entry consists of a type and a pointer.
|
|
FUNCTION is the address of a function to run, or the
|
|
address of a keymap to indirect through.
|
|
TYPE says which kind of thing FUNCTION is. */
|
|
typedef struct keymap_entry
|
|
{
|
|
char type;
|
|
InfoCommand *function;
|
|
} KEYMAP_ENTRY;
|
|
|
|
typedef KEYMAP_ENTRY *Keymap;
|
|
|
|
/* The values that TYPE can have in a keymap entry. */
|
|
#define ISFUNC 0
|
|
#define ISKMAP 1
|
|
|
|
extern Keymap info_keymap;
|
|
extern Keymap echo_area_keymap;
|
|
|
|
/* Return a new keymap which has all the uppercase letters mapped to run
|
|
the function info_do_lowercase_version (). */
|
|
extern Keymap keymap_make_keymap ();
|
|
|
|
/* Return a new keymap which is a copy of MAP. */
|
|
extern Keymap keymap_copy_keymap ();
|
|
|
|
/* Free MAP and it's descendents. */
|
|
extern void keymap_discard_keymap ();
|
|
|
|
/* Initialize the info keymaps. */
|
|
extern void initialize_info_keymaps ();
|
|
|
|
#endif /* not INFOMAP_H */
|